/// <summary>
/// Returns a new router.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="embeddedName"></param>
/// <param name="contract"></param>
/// <returns></returns>
public override Router BuildRouter(IOsmRoutingInterpreter interpreter, string embeddedName)
{
if (_data == null)
{
_data = new Dictionary <string, RouterDataSource <Edge> >();
}
RouterDataSource <Edge> data = null;
if (!_data.TryGetValue(embeddedName, out data))
{
var tagsIndex = new TagsIndex();
// do the data processing.
data = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
data, interpreter, tagsIndex, new Vehicle[] { Vehicle.Car }, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format(
"OsmSharp.Test.Unittests.{0}", embeddedName)));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
_data[embeddedName] = data;
}
return(Router.CreateFrom(data, new Dykstra(), interpreter));
}
/// <summary>
/// Returns a new router.
/// </summary>
/// <returns></returns>
public override Router BuildRouter(IOsmRoutingInterpreter interpreter, string embeddedName)
{
if (_data == null)
{
_data = new Dictionary<string, RouterDataSource<Edge>>();
}
RouterDataSource<Edge> data = null;
if (!_data.TryGetValue(embeddedName, out data))
{
var tagsIndex = new TagsIndex();
// do the data processing.
data = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
data, interpreter, tagsIndex, new Vehicle[] { Vehicle.Car }, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format(
"OsmSharp.Test.Unittests.{0}", embeddedName)));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
_data[embeddedName] = data;
}
return Router.CreateFrom(data, new Dykstra(), interpreter);
}
/// <summary>
/// Tests preprocessing data from a PBF file.
/// </summary>
/// <param name="name"></param>
/// <param name="pbfFile"></param>
public static void TestPreprocessing(string name, string pbfFile)
{
FileInfo testFile = new FileInfo(string.Format(@".\TestFiles\{0}", pbfFile));
Stream stream = testFile.OpenRead();
var progress = new OsmStreamFilterProgress();
progress.RegisterSource(new PBFOsmStreamSource(stream));
var performanceInfo = new PerformanceInfoConsumer("PreProcessor", 20000);
performanceInfo.Start();
performanceInfo.Report("Pulling from {0}...", testFile.Name);
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var memoryData = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, new OsmRoutingInterpreter(), tagsIndex);
targetData.RegisterSource(progress);
targetData.Pull();
stream.Dispose();
performanceInfo.Stop();
// make sure the router is still here after GC to note the memory difference.
OsmSharp.Logging.Log.TraceEvent("PreProcessor", Logging.TraceEventType.Information, memoryData.ToString());
memoryData = null;
GC.Collect();
}
public void RoutingRegressionTest1()
{
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Routing.Test.data.test_routing_regression1.osm"));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
var basicRouter = new Dykstra();
var router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// resolve the three points in question.
var point35 = new GeoCoordinate(51.01257, 4.000753);
var point35resolved = router.Resolve(Vehicle.Car, point35);
var point45 = new GeoCoordinate(51.01315, 3.999588);
var point45resolved = router.Resolve(Vehicle.Car, point45);
// route between 35 and 45.
var routebefore = router.Calculate(Vehicle.Car, point35resolved, point45resolved);
// route between 35 and 45.
var routeafter = router.Calculate(Vehicle.Car, point35resolved, point45resolved);
Assert.AreEqual(routebefore.TotalDistance, routeafter.TotalDistance);
}
public void RoutingRegressionTest1()
{
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Routing.Test.data.test_routing_regression1.osm"));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
var basicRouter = new Dykstra();
var router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// resolve the three points in question.
var point35 = new GeoCoordinate(51.01257, 4.000753);
var point35resolved = router.Resolve(Vehicle.Car, point35);
var point45 = new GeoCoordinate(51.01315, 3.999588);
var point45resolved = router.Resolve(Vehicle.Car, point45);
// route between 35 and 45.
var routebefore = router.Calculate(Vehicle.Car, point35resolved, point45resolved);
// route between 35 and 45.
var routeafter = router.Calculate(Vehicle.Car, point35resolved, point45resolved);
Assert.AreEqual(routebefore.TotalDistance, routeafter.TotalDistance);
}
/// <summary>
/// Tests preprocessing data from a PBF file.
/// </summary>
/// <param name="name"></param>
/// <param name="pbfFile"></param>
public static void TestPreprocessing(string name, string pbfFile)
{
FileInfo testFile = new FileInfo(string.Format(@".\TestFiles\{0}", pbfFile));
Stream stream = testFile.OpenRead();
var progress = new OsmStreamFilterProgress();
progress.RegisterSource(new PBFOsmStreamSource(stream));
var performanceInfo = new PerformanceInfoConsumer("PreProcessor", 20000);
performanceInfo.Start();
performanceInfo.Report("Pulling from {0}...", testFile.Name);
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var memoryData = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, new OsmRoutingInterpreter(), tagsIndex);
targetData.RegisterSource(progress);
targetData.Pull();
stream.Dispose();
performanceInfo.Stop();
// make sure the router is still here after GC to note the memory difference.
OsmSharp.Logging.Log.TraceEvent("PreProcessor", Logging.TraceEventType.Information, memoryData.ToString());
memoryData = null;
GC.Collect();
}
/// <summary>
/// Builds the data.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="embeddedString"></param>
/// <returns></returns>
public override IRoutingAlgorithmData <Edge> BuildData(IOsmRoutingInterpreter interpreter,
string embeddedString)
{
string key = string.Format("Routing.IRoutingAlgorithmData<Edge>.OSM.{0}",
embeddedString);
var data = StaticDictionary.Get <IRoutingAlgorithmData <Edge> >(
key);
if (data == null)
{
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
memoryData, interpreter, tagsIndex, null, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
data = memoryData;
StaticDictionary.Add <IRoutingAlgorithmData <Edge> >(key, data);
}
return(data);
}
/// <summary>
/// Creates a router using interpreted edges.
/// </summary>
/// <param name="reader">The OSM-stream reader.</param>
/// <param name="interpreter">The routing interpreter.</param>
/// <returns></returns>
public static Router CreateFrom(OsmStreamSource reader, IOsmRoutingInterpreter interpreter)
{
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var memoryData = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
targetData.RegisterSource(reader);
targetData.Pull();
// creates the edge router.
var typedRouter = new TypedRouterEdge(
memoryData, interpreter, new Dykstra());
return new Router(typedRouter); // create the actual router.
}
/// <summary>
/// Creates a router using interpreted edges.
/// </summary>
/// <param name="reader">The OSM-stream reader.</param>
/// <param name="interpreter">The routing interpreter.</param>
/// <returns></returns>
public static Router CreateFrom(OsmStreamSource reader, IOsmRoutingInterpreter interpreter)
{
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var memoryData = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
targetData.RegisterSource(reader);
targetData.Pull();
// creates the edge router.
var typedRouter = new TypedRouterEdge(
memoryData, interpreter, new Dykstra());
return(new Router(typedRouter)); // create the actual router.
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="testCount"></param>
public static void TestResolved(string name, Stream stream, GeoCoordinateBox box, int testCount)
{
var vehicle = Vehicle.Car;
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var source = new OsmSharp.Osm.Streams.Filters.OsmStreamFilterProgress();
source.RegisterSource(new OsmSharp.Osm.PBF.Streams.PBFOsmStreamSource(stream));
var data = GraphOsmStreamTarget.Preprocess(source,
new OsmRoutingInterpreter());
//(data.Graph as DirectedGraph<CHEdgeData>).Compress(true);
RoutingResolveTest.TestResolved(data, testCount, box);
}
/// <summary>
/// Returns a new router.
/// </summary>
/// <returns></returns>
public override Router BuildRouter(IOsmRoutingInterpreter interpreter, string embeddedName)
{
var tagsIndex = new TagsIndex();
// do the data processing.
var data = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
data, interpreter, tagsIndex, new Vehicle[] { Vehicle.Car }, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format(
"OsmSharp.Routing.Test.data.{0}", embeddedName)));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
return Router.CreateFrom(data, new Dykstra(), interpreter);
}
/// <summary>
/// Builds data source.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="embeddedString"></param>
/// <returns></returns>
public override IRoutingAlgorithmData <Edge> BuildData(IOsmRoutingInterpreter interpreter,
string embeddedString)
{
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex, null, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
return(memoryData);
}
public void TestGraphSerialize3()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network_real1.osm";
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var graph = GraphOsmStreamTarget.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString)),
new TagsIndex(new MemoryMappedStream(new MemoryStream())), interpreter);
// serialize.
using (var stream = new MemoryStream())
{
graph.Serialize(stream, Edge.SizeUints, Edge.MapFromDelegate, Edge.MapToDelegate);
// deserialize.
stream.Seek(0, SeekOrigin.Begin);
var graphDeserialized = RouterDataSource <Edge> .Deserialize(stream, Edge.SizeUints, Edge.MapFromDelegate, Edge.MapToDelegate, false);
// compare.
Assert.AreEqual(graph.VertexCount, graphDeserialized.VertexCount);
for (uint vertex = 1; vertex <= graph.VertexCount; vertex++)
{
float latitude1, longitude1, latitude2, longitude2;
if (graph.GetVertex(vertex, out latitude1, out longitude1) &&
graphDeserialized.GetVertex(vertex, out latitude2, out longitude2))
{
Assert.AreEqual(latitude1, latitude2, 0.000001);
Assert.AreEqual(longitude1, longitude2, 0.000001);
}
var edges = graph.GetEdges(vertex).ToKeyValuePairs();
var edgesDeserialized = graphDeserialized.GetEdges(vertex).ToKeyValuePairs();
Assert.AreEqual(edges.Length, edgesDeserialized.Length);
for (int idx = 0; idx < edges.Length; idx++)
{
Assert.AreEqual(edges[idx].Value.Distance, edgesDeserialized[idx].Value.Distance);
Assert.AreEqual(edges[idx].Value.Tags, edgesDeserialized[idx].Value.Tags);
Assert.AreEqual(edges[idx].Value.Forward, edgesDeserialized[idx].Value.Forward);
}
}
}
}
/// <summary>
/// Creates a router.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="manifestResourceName"></param>
/// <returns></returns>
protected override Router CreateRouter(IOsmRoutingInterpreter interpreter, string manifestResourceName)
{
TagsIndex tagsIndex = new TagsIndex();
// do the data processing.
var memoryData =
new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
memoryData, interpreter, tagsIndex, null, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(manifestResourceName));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
IRoutingAlgorithm<Edge> basicRouter = new Dykstra();
return Router.CreateFrom(memoryData, basicRouter, interpreter);
}
/// <summary>
/// Returns a new router.
/// </summary>
/// <returns></returns>
public override Router BuildRouter(IOsmRoutingInterpreter interpreter, string embeddedName)
{
var tagsIndex = new TagsIndex();
// do the data processing.
var data = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
data, interpreter, tagsIndex, new Vehicle[] { Vehicle.Car }, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format(
"OsmSharp.Routing.Test.data.{0}", embeddedName)));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
return(Router.CreateFrom(data, new Dykstra(), interpreter));
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="testCount"></param>
public static void Test(string name, Stream stream, int testCount)
{
var vehicle = Vehicle.Pedestrian;
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var reader = new OsmSharp.Osm.PBF.Streams.PBFOsmStreamSource(stream);
var interpreter = new OsmRoutingInterpreter();
var data = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
data.DropVertexIndex();
var targetData = new GraphOsmStreamTarget(data, interpreter, tagsIndex);
targetData.RegisterSource(reader);
targetData.Pull();
data.RebuildVertexIndex();
RoutingTest.Test(data, vehicle, testCount);
}
/// <summary>
/// Builds a raw router to compare against.
/// </summary>
/// <returns></returns>
public void BuildDykstraRouter(string embeddedName,
IOsmRoutingInterpreter interpreter)
{
var tagsIndex = new TagsIndex();
// do the data processing.
var data = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
data, interpreter, tagsIndex, new Vehicle[] { Vehicle.Car });
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedName));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
// initialize the router.
_referenceRouter = Router.CreateFrom(data, new Dykstra(), interpreter);
}
/// <summary>
/// Creates a router based on the resource.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="manifestResourceName"></param>
/// <returns></returns>
protected Router CreateReferenceRouter(IOsmRoutingInterpreter interpreter, string manifestResourceName)
{
TagsIndex tagsIndex = new TagsIndex();
// do the data processing.
var memoryData =
new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
memoryData, interpreter, tagsIndex, null, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(manifestResourceName));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
IRoutingAlgorithm <Edge> basicRouter = new Dykstra();
return(Router.CreateFrom(memoryData, basicRouter, interpreter));
}
public void RoutingRegressionTest4()
{
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Routing.Test.data.test_routing_regression1.osm"));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
var basicRouter = new Dykstra();
var router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// resolve the three points in question.
var point35 = new GeoCoordinate(51.01257, 4.000753);
var point35ResolvedCar = router.Resolve(Vehicle.Car, point35);
var point35ResolvedBicycle = router.Resolve(Vehicle.Bicycle, point35);
}
public void SortHilbertRealBigTest()
{
var embeddedString = "OsmSharp.Routing.Test.data.test_network_real1.osm";
var n = GraphExtensions.DefaultHilbertSteps;
// do the data processing without preprocessing.
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
var unsortedData = new RouterDataSource<Edge>(new DirectedGraph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(unsortedData, interpreter, tagsIndex, (g) => { return null; });
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
// do the data processing with only hilbert sorting preprocessing.
interpreter = new OsmRoutingInterpreter();
tagsIndex = new TagsIndex();
var data = new RouterDataSource<Edge>(new DirectedGraph<Edge>(), tagsIndex);
targetData = new GraphOsmStreamTarget(data, interpreter, tagsIndex, (g) =>
{
return new HilbertSortingPreprocessor<Edge>(g);
});
dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
// test if sorted.
for (uint sortedVertex = 1; sortedVertex < data.VertexCount; sortedVertex++)
{
var coordinate = data.GetLocation(sortedVertex);
var neighbours = new Dictionary<GeoCoordinateSimple, Edge>();
foreach (var edge in data.GetEdges(sortedVertex))
{
neighbours[data.GetLocation(edge.Neighbour)] = edge.EdgeData;
}
for (uint unsortedVertex = 1; unsortedVertex < unsortedData.VertexCount; unsortedVertex++)
{
var unsortedCoordinate = unsortedData.GetLocation(unsortedVertex);
if (coordinate.Latitude == unsortedCoordinate.Latitude &&
coordinate.Longitude == unsortedCoordinate.Longitude)
{ // this is the same vertex, all vertices is the test network have different coordinates.
// compare their neighbours.
var unsortedNeighbours = new Dictionary<GeoCoordinateSimple, Edge>();
foreach (var edge in unsortedData.GetEdges(unsortedVertex))
{
unsortedNeighbours[unsortedData.GetLocation(edge.Neighbour)] = edge.EdgeData;
}
Assert.AreEqual(neighbours.Count, unsortedNeighbours.Count);
foreach (var neighbour in neighbours)
{
Assert.IsTrue(unsortedNeighbours.ContainsKey(neighbour.Key));
var value = unsortedNeighbours[neighbour.Key];
Assert.AreEqual(neighbour.Value.Distance, value.Distance);
Assert.AreEqual(neighbour.Value.Forward, value.Forward);
Assert.AreEqual(neighbour.Value.RepresentsNeighbourRelations, value.RepresentsNeighbourRelations);
Assert.AreEqual(neighbour.Value.Tags, value.Tags);
}
break;
}
}
}
}
public void RoutingRegressionTest2()
{
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Routing.Test.data.test_network.osm"));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
var basicRouter = new Dykstra();
var router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// build coordinates list of resolved points.
var testPoints = new List <GeoCoordinate>();
testPoints.Add(new GeoCoordinate(51.0582204, 3.7193524));
testPoints.Add(new GeoCoordinate(51.0582199, 3.7194002));
testPoints.Add(new GeoCoordinate(51.0581727, 3.7195833));
testPoints.Add(new GeoCoordinate(51.0581483, 3.7195553));
testPoints.Add(new GeoCoordinate(51.0581883, 3.7196617));
testPoints.Add(new GeoCoordinate(51.0581628, 3.7196889));
// build a matrix of routes between all points.
var referenceRoutes = new Route[testPoints.Count][];
var permuationArray = new int[testPoints.Count];
for (int fromIdx = 0; fromIdx < testPoints.Count; fromIdx++)
{
permuationArray[fromIdx] = fromIdx;
referenceRoutes[fromIdx] = new Route[testPoints.Count];
for (int toIdx = 0; toIdx < testPoints.Count; toIdx++)
{
// create router from scratch.
router = Router.CreateFrom(
memoryData, basicRouter, interpreter);
// resolve points.
var from = router.Resolve(Vehicle.Car, testPoints[fromIdx]);
var to = router.Resolve(Vehicle.Car, testPoints[toIdx]);
// calculate route.
referenceRoutes[fromIdx][toIdx] = router.Calculate(Vehicle.Car, from, to);
}
}
// resolve points in some order and compare the resulting routes.
// they should be identical in length except for some numerical rounding errors.
var enumerator = new PermutationEnumerable <int>(permuationArray);
foreach (int[] permutation in enumerator)
{
// create router from scratch.
router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// resolve in the order of the permutation.
var resolvedPoints = new RouterPoint[permutation.Length];
for (int idx = 0; idx < permutation.Length; idx++)
{
resolvedPoints[permutation[idx]] = router.Resolve(Vehicle.Car, testPoints[permutation[idx]]);
}
for (int fromIdx = 0; fromIdx < testPoints.Count; fromIdx++)
{
for (int toIdx = 0; toIdx < testPoints.Count; toIdx++)
{
// calculate route.
var route = router.Calculate(Vehicle.Car, resolvedPoints[fromIdx], resolvedPoints[toIdx]);
// TODO: changed the resolve accuracy to .5m. Make sure this is more accurate in the future.
Assert.AreEqual(referenceRoutes[fromIdx][toIdx].TotalDistance, route.TotalDistance, 1);
}
}
}
}
public void RoutingSerializationRoutingTest()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network.osm";
// create the tags index (and make sure it's serializable).
var tagsIndex = new TagsIndex(new MemoryMappedStream(new MemoryStream()));
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var original =
new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
original, interpreter, tagsIndex, null, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
targetData.RegisterSource(dataProcessorSource);
targetData.Pull();
// create serializer.
var routingSerializer = new RoutingDataSourceSerializer();
// serialize/deserialize.
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
byte[] byteArray;
using (var stream = new MemoryStream())
{
try
{
routingSerializer.Serialize(stream, original, metaData);
byteArray = stream.ToArray();
}
catch (Exception)
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
throw;
}
}
var deserializedVersion = routingSerializer.Deserialize(new MemoryStream(byteArray), out metaData);
Assert.AreEqual(original.TagsIndex.Get(0), deserializedVersion.TagsIndex.Get(0));
// try to do some routing on the deserialized version.
var basicRouter = new Dykstra();
var router = Router.CreateFrom(deserializedVersion, basicRouter, interpreter);
var source = router.Resolve(Vehicle.Car,
new GeoCoordinate(51.0578532, 3.7192229));
var target = router.Resolve(Vehicle.Car,
new GeoCoordinate(51.0576193, 3.7191801));
// calculate the route.
var route = router.Calculate(Vehicle.Car, source, target);
Assert.IsNotNull(route);
Assert.AreEqual(5, route.Segments.Length);
float latitude, longitude;
//deserializedVersion.GetVertex(20, out latitude, out longitude);
Assert.AreEqual(51.0578537, route.Segments[0].Latitude, 0.00001);
Assert.AreEqual(3.71922255, route.Segments[0].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Start, route.Segments[0].Type);
//deserializedVersion.GetVertex(21, out latitude, out longitude);
Assert.AreEqual(51.0578537, route.Segments[1].Latitude, 0.00001);
Assert.AreEqual(3.71956515, route.Segments[1].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Along, route.Segments[1].Type);
//deserializedVersion.GetVertex(16, out latitude, out longitude);
Assert.AreEqual(51.05773, route.Segments[2].Latitude, 0.00001);
Assert.AreEqual(3.719745, route.Segments[2].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Along, route.Segments[2].Type);
//deserializedVersion.GetVertex(22, out latitude, out longitude);
Assert.AreEqual(51.05762, route.Segments[3].Latitude, 0.00001);
Assert.AreEqual(3.71965766, route.Segments[3].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Along, route.Segments[3].Type);
deserializedVersion.GetVertex(23, out latitude, out longitude);
Assert.AreEqual(51.05762, route.Segments[4].Latitude, 0.00001);
Assert.AreEqual(3.71917963, route.Segments[4].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Stop, route.Segments[4].Type);
}
public void RoutingSerializationRoutingTest()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network.osm";
// create the tags index (and make sure it's serializable).
var tagsIndex = new TagsIndex(new MemoryMappedStream(new MemoryStream()));
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var original =
new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
original, interpreter, tagsIndex, null, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
targetData.RegisterSource(dataProcessorSource);
targetData.Pull();
// create serializer.
var routingSerializer = new RoutingDataSourceSerializer();
// serialize/deserialize.
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
byte[] byteArray;
using (var stream = new MemoryStream())
{
try
{
routingSerializer.Serialize(stream, original, metaData);
byteArray = stream.ToArray();
}
catch (Exception)
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
throw;
}
}
var deserializedVersion = routingSerializer.Deserialize(new MemoryStream(byteArray), out metaData);
Assert.AreEqual(original.TagsIndex.Get(0), deserializedVersion.TagsIndex.Get(0));
// try to do some routing on the deserialized version.
var basicRouter = new Dykstra();
var router = Router.CreateFrom(deserializedVersion, basicRouter, interpreter);
var source = router.Resolve(Vehicle.Car,
new GeoCoordinate(51.0578532, 3.7192229));
var target = router.Resolve(Vehicle.Car,
new GeoCoordinate(51.0576193, 3.7191801));
// calculate the route.
var route = router.Calculate(Vehicle.Car, source, target);
Assert.IsNotNull(route);
Assert.AreEqual(5, route.Segments.Length);
float latitude, longitude;
//deserializedVersion.GetVertex(20, out latitude, out longitude);
Assert.AreEqual(51.0578537, route.Segments[0].Latitude, 0.00001);
Assert.AreEqual(3.71922255, route.Segments[0].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Start, route.Segments[0].Type);
//deserializedVersion.GetVertex(21, out latitude, out longitude);
Assert.AreEqual(51.0578537, route.Segments[1].Latitude, 0.00001);
Assert.AreEqual(3.71956515, route.Segments[1].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Along, route.Segments[1].Type);
//deserializedVersion.GetVertex(16, out latitude, out longitude);
Assert.AreEqual(51.05773, route.Segments[2].Latitude, 0.00001);
Assert.AreEqual(3.719745, route.Segments[2].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Along, route.Segments[2].Type);
//deserializedVersion.GetVertex(22, out latitude, out longitude);
Assert.AreEqual(51.05762, route.Segments[3].Latitude, 0.00001);
Assert.AreEqual(3.71965766, route.Segments[3].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Along, route.Segments[3].Type);
deserializedVersion.GetVertex(23, out latitude, out longitude);
Assert.AreEqual(51.05762, route.Segments[4].Latitude, 0.00001);
Assert.AreEqual(3.71917963, route.Segments[4].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Stop, route.Segments[4].Type);
}
/// <summary>
/// Tests preprocessing data from a PBF file.
/// </summary>
/// <param name="name"></param>
/// <param name="pbfFile"></param>
public static void TestSerialization(string name, string pbfFile)
{
var testFile = new FileInfo(string.Format(@".\TestFiles\{0}", pbfFile));
var performanceInfo = new PerformanceInfoConsumer("SerializerFlatFile.Serialize", 2000);
performanceInfo.Start();
performanceInfo.Report("Pulling from {0}...", testFile.Name);
var stream = testFile.OpenRead();
var source = new PBFOsmStreamSource(stream);
var progress = new OsmStreamFilterProgress();
progress.RegisterSource(source);
var testOutputFile = new FileInfo(@"test.routing");
testOutputFile.Delete();
var writeStream = testOutputFile.Open(FileMode.OpenOrCreate, FileAccess.ReadWrite);
var tagsIndex = new TagsIndex();
var interpreter = new OsmRoutingInterpreter();
var graph = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var routingSerializer = new RoutingDataSourceSerializer();
var memoryMappedGraph = new Graph<Edge>(1024);
var coordinates = new HugeCoordinateIndex(1024);
var memoryData = new RouterDataSource<Edge>(memoryMappedGraph, tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, new OsmRoutingInterpreter(), tagsIndex, coordinates);
targetData.RegisterSource(progress);
targetData.Pull();
performanceInfo.Stop();
memoryData.Compress();
performanceInfo = new PerformanceInfoConsumer("SerializerFlatFile.Serialize", 100000);
performanceInfo.Start();
performanceInfo.Report("Writing file for {0}...", testFile.Name);
var metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
routingSerializer.Serialize(writeStream, memoryData, metaData);
stream.Dispose();
writeStream.Dispose();
OsmSharp.Logging.Log.TraceEvent("SerializerFlatFile", OsmSharp.Logging.TraceEventType.Information,
string.Format("Serialized file: {0}KB", testOutputFile.Length / 1024));
performanceInfo.Stop();
////performanceInfo = new PerformanceInfoConsumer("SerializerFlatFile.Serialize", 100000);
////performanceInfo.Start();
////performanceInfo.Report("Reading file for {0}...", testFile.Name);
//var testInputFile = new FileInfo(@"test.routing");
//var readStream = testInputFile.OpenRead();
//RoutingTest.TestSerialized(readStream);
////var deserializedGraph = routingSerializer.Deserialize(readStream, false);
////readStream.Dispose();
////OsmSharp.Logging.Log.TraceEvent("SerializerFlatFile", OsmSharp.Logging.TraceEventType.Information,
//// string.Format("Read: {0}KB", testInputFile.Length / 1024));
////OsmSharp.Logging.Log.TraceEvent("SerializerFlatFile", Logging.TraceEventType.Information, deserializedGraph.ToInvariantString());
////performanceInfo.Stop();
}
public void RoutingSerializationRoutingComparisonTest()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network_real1.osm";
// create the tags index (and make sure it's serializable).
var tagsIndex = new TagsIndex(new MemoryMappedStream(new MemoryStream()));
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var original = GraphOsmStreamTarget.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly()
.GetManifestResourceStream(embeddedString)),
tagsIndex,
interpreter);
// create serializer.
var routingSerializer = new RoutingDataSourceSerializer();
// serialize/deserialize.
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
byte[] byteArray;
using (var stream = new MemoryStream())
{
try
{
routingSerializer.Serialize(stream, original, metaData);
byteArray = stream.ToArray();
}
catch (Exception)
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
throw;
}
}
var deserializedVersion =
routingSerializer.Deserialize(new MemoryStream(byteArray), out metaData);
Assert.AreEqual(original.TagsIndex.Get(0), deserializedVersion.TagsIndex.Get(0));
//// try to do some routing on the deserialized version.
//var basicRouter =
// new Dykstra();
//var router = Router.CreateFrom(
// deserializedVersion, basicRouter, interpreter);
//var referenceRouter = Router.CreateFrom(
// original, basicRouter, interpreter);
//// loop over all nodes and resolve their locations.
//var resolvedReference = new RouterPoint[original.VertexCount];
//var resolved = new RouterPoint[original.VertexCount];
//for (uint idx = 1; idx < original.VertexCount + 1; idx++)
//{ // resolve each vertex.
// float latitude, longitude;
// if (original.GetVertex(idx, out latitude, out longitude))
// {
// resolvedReference[idx - 1] = referenceRouter.Resolve(Vehicle.Car, new GeoCoordinate(latitude, longitude));
// resolved[idx - 1] = router.Resolve(Vehicle.Car, new GeoCoordinate(latitude, longitude));
// }
// Assert.IsNotNull(resolvedReference[idx - 1]);
// Assert.IsNotNull(resolved[idx - 1]);
// Assert.AreEqual(resolvedReference[idx - 1].Location.Latitude,
// resolved[idx - 1].Location.Latitude, 0.0001);
// Assert.AreEqual(resolvedReference[idx - 1].Location.Longitude,
// resolved[idx - 1].Location.Longitude, 0.0001);
//}
//// check all the routes having the same weight(s).
//for (int fromIdx = 0; fromIdx < resolved.Length; fromIdx++)
//{
// for (int toIdx = 0; toIdx < resolved.Length; toIdx++)
// {
// var referenceRoute = referenceRouter.Calculate(Vehicle.Car,
// resolvedReference[fromIdx], resolvedReference[toIdx]);
// var route = router.Calculate(Vehicle.Car,
// resolved[fromIdx], resolved[toIdx]);
// Assert.IsNotNull(referenceRoute);
// Assert.IsNotNull(route);
// //Assert.AreEqual(referenceRoute.TotalDistance, route.TotalDistance, 0.1);
// // TODO: meta data is missing in some CH routing; see issue
// //Assert.AreEqual(reference_route.TotalTime, route.TotalTime, 0.0001);
// }
//}
}
public void RoutingSerialization()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network_real1.osm";
// create the tags index (and make sure it's serializable).
var tagsIndex = new TagsIndex(new MemoryMappedStream(new MemoryStream()));
// load the network.
var referenceNetwork = GraphOsmStreamTarget.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString)),
tagsIndex, new OsmRoutingInterpreter());
// serialize network.
var routingSerializer = new RoutingDataSourceSerializer();
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
using (var stream = new MemoryStream())
{
routingSerializer.Serialize(stream, referenceNetwork, metaData);
stream.Seek(0, SeekOrigin.Begin);
var network = routingSerializer.Deserialize(stream, out metaData);
// compare networks.
Assert.IsNotNull(network);
Assert.AreEqual(referenceNetwork.VertexCount, network.VertexCount);
for (uint vertex = 0; vertex < network.VertexCount; vertex++)
{
float referenceLatitude, referenceLongitude, latitude, longitude;
Assert.IsTrue(referenceNetwork.GetVertex(vertex, out referenceLatitude, out referenceLongitude));
Assert.IsTrue(network.GetVertex(vertex, out latitude, out longitude));
Assert.AreEqual(referenceLatitude, latitude);
Assert.AreEqual(referenceLongitude, longitude);
var referenceEdges = referenceNetwork.GetEdges(vertex).ToKeyValuePairs();
var edges = network.GetEdges(vertex).ToKeyValuePairs();
Assert.AreEqual(referenceEdges.Length, edges.Length);
for (int idx = 0; idx < referenceEdges.Length; idx++)
{
var referenceEdge = referenceEdges[idx];
// find the same edge in the new arcs.
var edge = edges.First((x) => { return(x.Key == referenceEdges[idx].Key); });
Assert.AreEqual(referenceEdge.Key, edge.Key);
Assert.AreEqual(referenceEdge.Value.Distance, edge.Value.Distance);
Assert.AreEqual(referenceEdge.Value.Forward, edge.Value.Forward);
Assert.AreEqual(referenceEdge.Value.RepresentsNeighbourRelations, edge.Value.RepresentsNeighbourRelations);
Assert.AreEqual(referenceEdge.Value.Tags, edge.Value.Tags);
ICoordinateCollection referenceCoordinates;
ICoordinateCollection coordinates;
if (referenceNetwork.GetEdgeShape(vertex, referenceEdge.Key, out referenceCoordinates))
{ // there is a shape.
Assert.IsTrue(network.GetEdgeShape(vertex, edge.Key, out coordinates));
if (referenceCoordinates == null)
{ // reference shape is null, shape is null.
Assert.IsNull(coordinates);
}
else
{ // reference shape is not null compare them.
Assert.IsNotNull(coordinates);
referenceCoordinates.Reset();
coordinates.Reset();
while (referenceCoordinates.MoveNext())
{
Assert.IsTrue(coordinates.MoveNext());
Assert.AreEqual(referenceCoordinates.Latitude, coordinates.Latitude);
Assert.AreEqual(referenceCoordinates.Longitude, coordinates.Longitude);
}
Assert.IsFalse(coordinates.MoveNext());
}
}
else
{ // there is no shape.
Assert.IsFalse(network.GetEdgeShape(vertex, edge.Key, out coordinates));
}
// check tags.
var referenceTags = referenceNetwork.TagsIndex.Get(referenceEdge.Value.Tags);
var tags = network.TagsIndex.Get(edge.Value.Tags);
if (referenceTags == null)
{ // other tags also have to be null.
Assert.IsNull(tags);
}
else
{ // contents need to be the same.
Assert.AreEqual(referenceTags.Count, tags.Count);
foreach (var referenceTag in referenceTags)
{
Assert.IsTrue(tags.ContainsKeyValue(referenceTag.Key, referenceTag.Value));
}
}
}
}
}
}
public void RoutingRegressionTest2()
{
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Routing.Test.data.test_network.osm"));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
var basicRouter = new Dykstra();
var router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// build coordinates list of resolved points.
var testPoints = new List<GeoCoordinate>();
testPoints.Add(new GeoCoordinate(51.0582204, 3.7193524));
testPoints.Add(new GeoCoordinate(51.0582199, 3.7194002));
testPoints.Add(new GeoCoordinate(51.0581727, 3.7195833));
testPoints.Add(new GeoCoordinate(51.0581483, 3.7195553));
testPoints.Add(new GeoCoordinate(51.0581883, 3.7196617));
testPoints.Add(new GeoCoordinate(51.0581628, 3.7196889));
// build a matrix of routes between all points.
var referenceRoutes = new Route[testPoints.Count][];
var permuationArray = new int[testPoints.Count];
for (int fromIdx = 0; fromIdx < testPoints.Count; fromIdx++)
{
permuationArray[fromIdx] = fromIdx;
referenceRoutes[fromIdx] = new Route[testPoints.Count];
for (int toIdx = 0; toIdx < testPoints.Count; toIdx++)
{
// create router from scratch.
router = Router.CreateFrom(
memoryData, basicRouter, interpreter);
// resolve points.
var from = router.Resolve(Vehicle.Car, testPoints[fromIdx]);
var to = router.Resolve(Vehicle.Car, testPoints[toIdx]);
// calculate route.
referenceRoutes[fromIdx][toIdx] = router.Calculate(Vehicle.Car, from, to);
}
}
// resolve points in some order and compare the resulting routes.
// they should be identical in length except for some numerical rounding errors.
var enumerator = new PermutationEnumerable<int>(permuationArray);
foreach (int[] permutation in enumerator)
{
// create router from scratch.
router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// resolve in the order of the permutation.
var resolvedPoints = new RouterPoint[permutation.Length];
for (int idx = 0; idx < permutation.Length; idx++)
{
resolvedPoints[permutation[idx]] = router.Resolve(Vehicle.Car, testPoints[permutation[idx]]);
}
for (int fromIdx = 0; fromIdx < testPoints.Count; fromIdx++)
{
for (int toIdx = 0; toIdx < testPoints.Count; toIdx++)
{
// calculate route.
var route = router.Calculate(Vehicle.Car, resolvedPoints[fromIdx], resolvedPoints[toIdx]);
// TODO: changed the resolve accuracy to .5m. Make sure this is more accurate in the future.
Assert.AreEqual(referenceRoutes[fromIdx][toIdx].TotalDistance, route.TotalDistance, 1);
}
}
}
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="testCount"></param>
public static void Test(string name, Stream stream, int testCount)
{
var vehicle = Vehicle.Pedestrian;
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var reader = new OsmSharp.Osm.PBF.Streams.PBFOsmStreamSource(stream);
var interpreter = new OsmRoutingInterpreter();
var data = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
data.DropVertexIndex();
var targetData = new GraphOsmStreamTarget(data, interpreter, tagsIndex);
targetData.RegisterSource(reader);
targetData.Pull();
data.RebuildVertexIndex();
RoutingTest.Test(data, vehicle, testCount);
}
public void RoutingRegressionTest4()
{
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Routing.Test.data.test_routing_regression1.osm"));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
var basicRouter = new Dykstra();
var router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// resolve the three points in question.
var point35 = new GeoCoordinate(51.01257, 4.000753);
var point35ResolvedCar = router.Resolve(Vehicle.Car, point35);
var point35ResolvedBicycle = router.Resolve(Vehicle.Bicycle, point35);
}
/// <summary>
/// Tests preprocessing data from a PBF file.
/// </summary>
/// <param name="name"></param>
/// <param name="pbfFile"></param>
public static void TestSerialization(string name, string pbfFile)
{
var testFile = new FileInfo(string.Format(@".\TestFiles\{0}", pbfFile));
var performanceInfo = new PerformanceInfoConsumer("SerializerFlatFile.Serialize", 2000);
performanceInfo.Start();
performanceInfo.Report("Pulling from {0}...", testFile.Name);
var stream = testFile.OpenRead();
var source = new PBFOsmStreamSource(stream);
var progress = new OsmStreamFilterProgress();
progress.RegisterSource(source);
var testOutputFile = new FileInfo(@"test.routing");
testOutputFile.Delete();
var writeStream = testOutputFile.Open(FileMode.OpenOrCreate, FileAccess.ReadWrite);
var tagsIndex = new TagsIndex();
var interpreter = new OsmRoutingInterpreter();
var graph = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var routingSerializer = new RoutingDataSourceSerializer();
var memoryMappedGraph = new Graph <Edge>(1024);
var coordinates = new HugeCoordinateIndex(1024);
var memoryData = new RouterDataSource <Edge>(memoryMappedGraph, tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, new OsmRoutingInterpreter(), tagsIndex, coordinates);
targetData.RegisterSource(progress);
targetData.Pull();
performanceInfo.Stop();
memoryData.Compress();
performanceInfo = new PerformanceInfoConsumer("SerializerFlatFile.Serialize", 100000);
performanceInfo.Start();
performanceInfo.Report("Writing file for {0}...", testFile.Name);
var metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
routingSerializer.Serialize(writeStream, memoryData, metaData);
stream.Dispose();
writeStream.Dispose();
OsmSharp.Logging.Log.TraceEvent("SerializerFlatFile", OsmSharp.Logging.TraceEventType.Information,
string.Format("Serialized file: {0}KB", testOutputFile.Length / 1024));
performanceInfo.Stop();
////performanceInfo = new PerformanceInfoConsumer("SerializerFlatFile.Serialize", 100000);
////performanceInfo.Start();
////performanceInfo.Report("Reading file for {0}...", testFile.Name);
//var testInputFile = new FileInfo(@"test.routing");
//var readStream = testInputFile.OpenRead();
//RoutingTest.TestSerialized(readStream);
////var deserializedGraph = routingSerializer.Deserialize(readStream, false);
////readStream.Dispose();
////OsmSharp.Logging.Log.TraceEvent("SerializerFlatFile", OsmSharp.Logging.TraceEventType.Information,
//// string.Format("Read: {0}KB", testInputFile.Length / 1024));
////OsmSharp.Logging.Log.TraceEvent("SerializerFlatFile", Logging.TraceEventType.Information, deserializedGraph.ToInvariantString());
////performanceInfo.Stop();
}
/// <summary>
/// Builds a raw router to compare against.
/// </summary>
/// <returns></returns>
public void BuildDykstraRouter(string embeddedName,
IOsmRoutingInterpreter interpreter)
{
var tagsIndex = new TagsIndex();
// do the data processing.
var data = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
data, interpreter, tagsIndex, new Vehicle[] { Vehicle.Car });
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedName));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
// initialize the router.
_referenceRouter = Router.CreateFrom(data, new Dykstra(), interpreter);
}
